The effect of main jet pressure and starting angle on weft ejected from the main nozzle and through the profile reed with yam tunnel are analyzed in the starting, free - flying and brake - flying phase.

• 分析了主喷压强和始喷角度的变化对纬纱在筘槽内的飞行状态产生的影响；纬纱张力曲线的形态也不同.